Science

PhysicsQ&A LibraryA train locomotive pulls a train with a mass of 1.20 ✕ 107 kg on level rails. The locomotive exerts a constant force of 7.60 ✕ 105 N on the train. How much time does it take to increase the speed of the train from rest to 62.0 km/h? (Ignore any resistance force from the rails on the wheels of the train. Enter your answer in minutes.)minQuestion

Asked Nov 1, 2019

47 views

A train locomotive pulls a train with a mass of 1.20 ✕ 10^{7} kg on level rails. The locomotive exerts a constant force of 7.60 ✕ 10^{5} N on the train. How much time does it take to increase the speed of the train from rest to 62.0 km/h? (Ignore any resistance force from the rails on the wheels of the train. Enter your answer in minutes.)

min

Step 1

Given information:

Step 2

Here, *F* is the constant force acting on the train,* m* is the mass of the train and *u* and *v* are the initial and final velocities of the train respective...

Find answers to questions asked by student like you

Show more Q&A

Q: An “infinitely” long wire is bent into the shape seen below. It carries a current of 14 Amps in the...

A: Given values:Current in the wire, I = 14 ARadius of the curved part of the wire, a = 3.0 cm = 0.03 m...

Q: Question in image. Disregard the pen markings plz.

A: Write the expression for stopping potential

Q: T Sinoo ome os//openvellum.ecollege.com/course.html?courseld=155442638HepID=c5fa803dae2fe486ce2b2d26...

A: Let vu be the velocity of the ice cube at upper surface of the pipe, vb be the velocity of ice cube ...

Q: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This ex...

A: The moment of inertia of a sphere having radius R.

Q: How much energy is required to lift a 10 kg rock from the surface of the Earth and place it in a cir...

A: Click to see the answer

Q: whats the force of a boat if its going if its current is going up 400n and the paddlewheel goes to t...

A: Net force is given by,

Q: Hi, I am in physics I and they have the question of what is the angular displacement between 5s and ...

A: From the given graph, write the expression for the straight line from 10s to 20s.Write the given val...

Q: A planet similar to the Earth has a radius 4.3 × 106 m and has an acceleration of gravity of 10 m/s ...

A: Normal acceleration will be same as acceleration due to gravity of the planet.For an object to be in...

Q: At the centre of a circular ice rink, a 82.0 kg ice skater moving 2.25 m/s north hits and grabs onto...

A: Given,